A draft bill from the House Natural Resources Committee would drastically reform the Interior Department's corruption-plagued system for collecting oil and gas royalties.

Private well water should be tested yearly, two major scientific bodies say -- sometimes more often when kids are drinking it.

"The League of Conservation Voters and its allies this week launched a television campaign attacking two Democrats and one Republican who voted against the climate change bill in committee last week."

"The Fish and Wildlife Service has no established way to track cumulative threats or injuries to most of the imperiled species the agency is attempting to protect, according to a new report from federal investigators."

Now that Congress has passed a law allowing loaded, concealed guns in National Parks, the National Park Service must figure out how to carry it out.

As part of the economic stimulus package, EPA plans to spend $600 million -- double what it usually spends -- on cleaning up contaminated industrial waste sites.

Laid-off workers at the Owens Corning fiberglass plant in Newark, Ohio, hope to get jobs back as a result of funding in the economic stimulus bill for insulating attics in low-income homes.

People in many parts of the U.S. blame gas drilling for causing the water in their wells to go bad. In 2005, the Bush administration got Congress to exempt from the Safe Drinking Water Act a drilling practice called "fracking." Now environmentalists hope to repeal the exemption and the gas industry is mounting a defense.

Scientists in the Houston area are focusing research on the flare stacks at its hundreds of petrochemical plants -- which may be a major overlooked cause of smog.

A May 17 fire at Sunoco's Marcus Hook refinery near Philadelphia underscored its day-in-day-out impact on the environment.

"The thick, milky white liquid looks like Elmer's glue, though it's greasy to the touch. It has a sweet, alcohol smell. It's not your father's heating oil, to be sure. But it will do the same job, says Cary J. Claiborne, and a lot more cleanly.

Claiborne is president and chief executive officer of New Generation Biofuels, a Florida-based startup that's producing fuel from vegetable and soybean oil at a small production plant it set up this year in southern Baltimore.

In the quest for billions in federal incentives, industries are trying to redefine technologies as 'renewable' that might once have been considered otherwise.

Terry and Sandy Gupton are worried for the health of both their cattle and themselves. They live near the stretch of the Emory River clogged with coal ash sludge from a Dec. 22, 2008, spill from a TVA plant.

The Indianapolis Speedway, site of yesterdays Indy 500, mounts a major effort to be environmentally friendly.

Wisconsin's landmark out-of-basin diversion of the Great Lakes is getting both praised and blasted by water watchers.